The invention provides a crane and a rotational weight-balancing device thereof. The rotational weight-balancing device is arranged on a rotary table of the crane and comprises: a balancing weight, which is arranged on the bottom of a first side of the rotary table; and a driving mechanism, which is disposed between the rotary table and the balancing weight to drive the balancing weight to rotate on the bottom of the rotary table. The driving mechanism comprises: an oil cylinder being hinged to the rotary table; and a connecting rod mechanism connected between the rotary table and the balancing weight, wherein the connecting rod mechanism is connected to the oil cylinder to drive the balancing weight to rotate on the bottom of the rotary table. The crane and the rotational weight-balancing device are adjustable in moment of force so that the crane is improved in stability and lifting performances.


    Access

    Download


    Export, share and cite



    Title :

    Crane and rotational weight-balancing device thereof


    Contributors:
    LI YANLIANG (author)

    Publication date :

    2015-08-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



    Crane balancing weight

    XIONG DIAN / WANG HUAWEI | European Patent Office | 2015

    Free access

    Balancing weight and crane

    DUAN LEI / GAO YANPENG / LIU GUANGNING | European Patent Office | 2024

    Free access

    Balancing weight hitching device and crane

    ZHANG FUYI / GUO YONGHUI / ZHOU CHUNSHENG et al. | European Patent Office | 2016

    Free access

    Tower crane balancing weight locking device and locking method thereof

    LI YANG / WANG ZHOUJIE | European Patent Office | 2022

    Free access

    Positioning device for balancing weight of crane

    TAN ZHOU | European Patent Office | 2023

    Free access